> I have been running NetBSD 1.5.3 without any problems, and then I started
> to notice more, and more sendmail daemons hanging. Until I had a very
> large number of them. Now, I don't seem to be getting all my email, and
> sending email seems to take a very long time sometimes.
[...]
> I am really not sure what to do, but I need a working mail server quick.
> Anyone have any ideas. Also, why would I be getting so may sendmails that
> just sit there and hang. Is this some kind of dos attack, or is this
> because of the large amount of spam, and viruses being sent out?

 Well, a look into your mail logs will certainly shed some light on that!